The Binance app is primarily designed to allow users to trade cryptocurrencies. You can buy, sell and trade various cryptocurrencies through this platform. In addition to this, the app offers features such as real-time price tracking, portfolio management, market analysis tools, and many more. It also allows access to advanced features like futures and options for more experienced traders. It is essential to note that cryptocurrency regulations vary by country, so be sure to follow local laws and regulations when using Binance or any other cryptocurrency trading platform.